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EP 4 069 849 A1

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(43) Date of publication: 12.10.2022 Bulletin 2022/41 (21) Application number: 20907151.3 (22) Date of filing: 05.05.2020

(51) International Patent Classification (IPC):  C12N 15/113(2010.01) C12N 5/10(2006.01) C12N 15/85(2006.01) (52) Cooperative Patent Classification (CPC): C07K 14/755; C12N 15/86; A61K 48/005; A61K 48/0058; A61K 38/00; C12N 2750/14143; C12N 2830/008 (86) International application number: PCT/CN2020/088604 (87) International publication number: WO 2021/128692 (01.07.2021 Gazette 2021/26)

(84) Designated Contracting States: AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR Designated Extension States: BA ME Designated Validation States: KH MA MD TN (30) Priority: 25.12.2019 CN 201911357788 (71) Applicant: Jinfan Biomedical Technology (Wuhan) Co., Ltd. Wuhan, Hubei 430000 (CN)	(72) Inventors: LIU, Guangmeng Wuhan, Hubei 430000 (CN) PAN, Xing Wuhan, Hubei 430000 (CN) ZHANG, Sheng Wuhan, Hubei 430000 (CN) FANG, Wenjing Wuhan, Hubei 430000 (CN) HE, Xiaobin Wuhan, Hubei 430000 (CN) (74) Representative: Bayramoglu et al.  Mira Office Kanuni Sultan Süleyman Boulevard 5387 Street Beytepe, floor 12, no:50 06800 Cankaya, Ankara 06800 Cankaya, Ankara (TR)